Finding the Third Proportional to 80,892 and 170,160

Step by Step Solution

1. Step 1: Write the proportion equation
   80,892 : 170,160 = 170,160 : x
2. Step 2: Convert to fraction form
   80,892/170,160 = 170,160/x
3. Step 3: Cross multiply
   80,892x = 170,160 × 170,160
4. Step 4: Simplify right side
   80,892x = 28,954,425,600
5. Step 5: Solve for x
   x = 28,954,425,600/80,892
6. Step 6: Final answer
   x = 357,939.30